Alright, let's solve this math problem step by step. First, we have the number 768. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 51. So, we're going to take the number 768 and add it to itself 51 times.
Step 1: 0 + 768 = 768
Step 2: 768 + 768 = 1536
Step 3: 1536 + 768 = 2304
Step 4: 2304 + 768 = 3072
Step 5: 3072 + 768 = 3840
Step 6: 3840 + 768 = 4608
Step 7: 4608 + 768 = 5376
Step 8: 5376 + 768 = 6144
Step 9: 6144 + 768 = 6912
Step 10: 6912 + 768 = 7680
Step 11: 7680 + 768 = 8448
Step 12: 8448 + 768 = 9216
Step 13: 9216 + 768 = 9984
Step 14: 9984 + 768 = 10752
Step 15: 10752 + 768 = 11520
Step 16: 11520 + 768 = 12288
Step 17: 12288 + 768 = 13056
Step 18: 13056 + 768 = 13824
Step 19: 13824 + 768 = 14592
Step 20: 14592 + 768 = 15360
Step 21: 15360 + 768 = 16128
Step 22: 16128 + 768 = 16896
Step 23: 16896 + 768 = 17664
Step 24: 17664 + 768 = 18432
Step 25: 18432 + 768 = 19200
Step 26: 19200 + 768 = 19968
Step 27: 19968 + 768 = 20736
Step 28: 20736 + 768 = 21504
Step 29: 21504 + 768 = 22272
Step 30: 22272 + 768 = 23040
Step 31: 23040 + 768 = 23808
Step 32: 23808 + 768 = 24576
Step 33: 24576 + 768 = 25344
Step 34: 25344 + 768 = 26112
Step 35: 26112 + 768 = 26880
Step 36: 26880 + 768 = 27648
Step 37: 27648 + 768 = 28416
Step 38: 28416 + 768 = 29184
Step 39: 29184 + 768 = 29952
Step 40: 29952 + 768 = 30720
Step 41: 30720 + 768 = 31488
Step 42: 31488 + 768 = 32256
Step 43: 32256 + 768 = 33024
Step 44: 33024 + 768 = 33792
Step 45: 33792 + 768 = 34560
Step 46: 34560 + 768 = 35328
Step 47: 35328 + 768 = 36096
Step 48: 36096 + 768 = 36864
Step 49: 36864 + 768 = 37632
Step 50: 37632 + 768 = 38400
Step 51: 38400 + 768 = 39168

So, 768*51 = 39168